Blog from another Software Engineer

Sergi's Blog

I'm just a SWE passionate about technology and entrepreneurship.

Last30days skill title alongside an AI research agent combining source signals into a report

August 2, 2026 · 3 min read

A better way to catch up: using the last30days skill

An agent skill that looks beyond the usual search results and turns scattered recent signals into a useful research brief.

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Dark browser window containing a small neural network that routes a sentence to positive, neutral, and negative sentiment indicators

July 11, 2026 · 6 min read

Small models in the browser: sentiment analysis without a server

A practical experiment in running a compact text classifier locally in the browser to label a sentence as positive, neutral, or negative.

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Arliax Nexus terminal dashboard monitoring live market data from multiple crypto exchanges

July 5, 2026 · 5 min read

Arliax Nexus and Bot: a crypto trading experiment

A holiday project that grew into a real-time market-data aggregator and trading bot - and why I have decided to stop trading it.

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Pixel art illustration for Godot Card FX Lab, showing a fantasy landscape with castles, swords, and card-game items

June 28, 2026 · 3 min read

Godot Card FX Lab: a weekend shader experiment with AI

A small Godot lab for exploring visual card and booster-pack effects, built out of curiosity using AI.

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Unobserved game prototype showing a spaceship near a colonized planet, enemies, and a vortex

June 21, 2026 · 6 min read

Unobserved: a side project to experiment with game development

I have always been fascinated by game development. Unobserved is my way of exploring it without turning it into a profession.

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Sony MSX HB-10P computer connected to a television and cassette recorder

June 7, 2026 · 8 min read

Hello world (v2)

New blog. From MSX machines and dial-up modems to fintech and AI: the path from wanting to be a hacker to building products and teams.

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